Gulf Blue

#00175D

General Information about Gulf Blue (#00175D)

The hexadecimal color code #00175D, also recognized as Gulf Blue, represents a dark shade of blue within the RGB color spectrum. In the RGB (Red, Green, Blue) model, it is composed of 0% red, 9.02% green, and 36.47% blue. This composition results in a deep, cool-toned hue. In the CMYK (Cyan, Magenta, Yellow, Key/Black) color model, which is often used in printing, #00175D consists of 100% cyan, 75% magenta, 0% yellow, and 63.5% black. This indicates that the color is created by a high concentration of cyan and magenta inks, with a significant amount of black to deepen the shade. Gulf Blue's relatively low saturation and high darkness value give it a subdued, serious appearance. It is often associated with qualities such as stability, trust, and intelligence. Its understated elegance makes it a popular choice for applications requiring a professional or sophisticated look.

The color #00175D, also known as Gulf Blue, presents significant accessibility challenges, especially in web design. Its very dark hue results in extremely low contrast against standard light backgrounds, typically white (#FFFFFF). This lack of contrast makes text and other elements difficult to read for individuals with visual impairments, including those with low vision or color blindness. To ensure inclusivity, it is crucial to pair this color with very light shades. White or near-white text on a #00175D background will generally meet accessibility standards. Using online contrast checkers is highly recommended to verify compliance with WCAG (Web Content Accessibility Guidelines) standards. Moreover, avoid using #00175D for essential interactive elements unless sufficient visual cues, beyond color alone, are provided. For instance, consider adding underlines to links or using icons to distinguish buttons. Thoughtful consideration of accessibility is paramount when incorporating such a deep shade of blue into any design.

Shades

Digital Color Formats

RGB
0 23 93
RGB0 23 93
Red
Green
Blue
HSL
225.16deg 100% 18.24%
225.1610018.24HSL
Hue
Saturation
Lightness
HWB
225.16deg 0% 63.53%
225.16063.53HWB
Hue
Whiteness
Blackness
hex#00175D
rgb0 23 93
hsl225.16deg 100% 18.24%
cmyk100% 75.27% 0% 63.53%
hwb225.16deg 0% 63.53%
xyz-d650.02 0.01 0.11
oklch0.2504 0.1272 263.09
oklab0.2504 -0.02 -0.13
CMYK
100% 75.27% 0% 63.53%
10075.27063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.11
0.020.010.11XYZ
X
Y
Z
OKLCH
0.2504 0.1272 263.09
0.25040.1272263.09LCH
Lightness
Chroma
Hue
OKLAB
0.2504 -0.02 -0.13
0.2504-0.02-0.13LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons